ref: 4a8877713e6851c8170865c652b36965a0153a7c
dir: /external/SDL2/android-project/app/jni/src/CMakeLists.txt/
cmake_minimum_required(VERSION 3.6) project(MY_APP) find_library(SDL2 SDL2) add_library(main SHARED) target_sources(main PRIVATE YourSourceHere.c) target_link_libraries(main SDL2)